I have some interesting problems with my tape drives. The Bacula system has 
three "identical" drives: they are all VXA-1 drives. One is mounted interally 
and two are in a RakPak, which is connected to the external SCSI bus. The ID of 
the internal drive is 4 and the external drives are 8 and 9.

When I used the default device definitions of /dev/nst0, /dev/nst1 and 
/dev/nst2, I got mixed results. I complained about that in an earlier post, and 
"corrected" it by changing them to /dev/st0, 1 and 2.

At this point, Bacula works, to a point. That is, the internal drive works all 
the time. There is a problem with the external drives, though. I can mount and 
unmount tapes and even start backups. Those backups fail, however, with this 
kind of message:

18-Jul 16:51 lbackup-sd: Ready to append to end of Volume "Week_2B" at file=3.
18-Jul 16:55 lbackup-sd: GIS_Two.2005-07_18.16.51.42 Error: block.c:552 Write 
error at 3:48 on device /dev/st1.

There are additional error lines which I will post if they are important.

When I try mt -f /dev/st1 rewind I get:

/dev/st1: No such device or address

When I run ./btape -c bacula-sd.conf /dev/st1 I get:

Tape block granularity is 1024 bytes.
btape: butil.c:258 Using device: "/dev/st1" for writing.
19-Jul 11:29 btape: Fatal Error at device.c:295 because:
dev.c:289 stored: unable to open device /dev/st1: ERR=No such device or address
19-Jul 11:29 btape: Fatal Error at device.c:288 because:
dev open failed: dev.c:289 stored: unable to open device /dev/st1: ERR=No such 
device or address

19-Jul 11:29 btape: btape Fatal error: butil.c:167 Cannot open /dev/st1

So, there is something wrong with the way I am identifying these tape devices. 
Bacula can mount, unmount and even write to them up to a point. The last two 
unsuccessful backups put 592,030,570 bytes and 750,959,576 bytes on them, 
respectively, before quitting. If I can just identify them correctly, I am 
confident that they will work for me.

Tks n rgds,
Richard White CNE6
Network Engineer
Mason County, Washington
360-427-5501
[EMAIL PROTECTED]



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